– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3 am Wed 04 Mar Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Wed 04 Mar Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Wed 04 Mar Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 22mm), heaviest during Wed morning. Mild temperatures (max 7°C on Wed afternoon, min 3°C on Wed night). Wind will be generally light. | Days 4–6 Weather SummaryMild with heavy rain (total 37mm), heaviest during Sun morning. Becoming colder with a moderate fall of snow heaviest on Sun night. Freeze-thaw conditions (max 7°C on Sat morning, min -3°C on Mon night). Wind will be generally light. | |||||||||||||||||
Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sunday 8 | Monday 9 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | |  | | | | | |  |  | |  |  |  |  | |
mod. rain | rain shwrs | mod. rain | light rain | light rain | light rain | rain shwrs | light rain | light rain | light rain | light rain | heavy rain | heavy rain | rain shwrs | light snow | snow shwrs | light snow | snow shwrs | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 5 | 1 | 2 | 4 | |
7 | 1.1 | 7 | 4 | 0.9 | 1.3 | 0.1 | 0.1 | 1.2 | 0.3 | 1.2 | 22 | 12 | 1.6 | — | — | — | — | |
max °C | 6 | 7 | 5 | 3 | 4 | 3 | 5 | 6 | 6 | 7 | 7 | 7 | 7 | 4 | 1 | 0 | 0 | -1 |
min °C | 5 | 5 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 6 | 7 | 7 | 5 | 2 | -1 | 0 | -1 | -3 |
5 | 5 | 0 | 1 | 1 | 3 | 4 | 4 | 4 | 5 | 6 | 6 | 1 | -2 | -4 | -4 | -4 | -5 | |
1350 | 1400 | 1100 | 950 | 1000 | 950 | 1050 | 1250 | 1550 | 2450 | 2100 | 1950 | 1550 | 1100 | 650 | 550 | 550 | 300 | |
Cloud base (m) | 550 | 600 | 600 | 650 | 600 | 600 | 600 | 700 | 750 | 600 | 600 | 600 | 550 | 550 | 600 | 600 | 650 | 600 |
 | 6:43 | — | — | 6:41 | — | — | 6:39 | — | — | 6:37 | — | — | 7:35 | — | — | 6:33 | — | — |
 | — | 5:55 | — | — | 5:58 | — | — | 5:59 | — | — | 6:00 | — | — | 7:01 | — | — | 6:04 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 22mm), heaviest during Wed morning. Mild temperatures (max 7°C on Wed afternoon, min 3°C on Wed night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Mild with heavy rain (total 37mm), heaviest during Sun morning. Becoming colder with a moderate fall of snow heaviest on Sun night. Freeze-thaw conditions (max 7°C on Sat morning, min -3°C on Mon night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.